X0306 4 2013-11-25 0 0001528129 Laredo Petroleum Holdings, Inc. LPI 0001535563 Levy James R. C/O WARBURG PINCUS & CO. 450 LEXINGTON AVENUE NEW YORK NY 10017 1 0 0 0 Common Stock, par value $0.01 per share ("Common Stock") 2013-11-25 4 J 0 6008476 0 D 70002532 I See footnote Common Stock 2013-11-25 4 J 0 2169 0 A 28700 D See Exhibit 99.1; Note 1. Exhibit List: Exhibit 99.1 - Explanation of Responses *** The Power of Attorney given by Mr. Levy was previously filed with the U.S. Securities & Exchange Commission on August 28, 2013 as an exhibit to a statement on Form 4 filed by James R. Levy with respect to Laredo Petroleum Holdings, Inc. and is hereby incorporated by reference. /s/ Steven G. Glenn Name: James R. Levy, Director By: Steven G. Glenn, Attorney-in-Fact*** 2013-11-26